{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["machine or equipment", "material", "engineering feature", "manufacturing process", "application", "process characterization"], "input": "The slicing process also introduces inaccuracy to the file because here the algorithm replaces the continuous contour with discrete stair steps ."}
{"machine or equipment": [], "material": [], "engineering feature": ["contour"], "manufacturing process": [], "application": [], "process characterization": []}